[pcap-ng-format] [OPSAWG] draft-gharris-opsawg-pcap.txt --- FCS length description

Carsten Bormann cabo at tzi.org
Tue Dec 22 03:03:44 UTC 2020


On 2020-12-22, at 01:31, Michael Richardson <mcr+ietf at sandelman.ca> wrote:
> 
> #define LT_FCS_LENGTH(x)		(((x) & 0xF0000000) >> 28)
> #define LT_FCS_DATALINK_EXT(x)		((((x) & 0xF) << 28) | 0x04000000)
> 
> this suggests that the FCS length is really only 3 bits

4 bits, really (assuming 32-bit unsigned integers).

Grüße, Carsten

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